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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 12 Months Ended
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Dec. 31, 2018
Accounting Policies [Abstract] |
Schedule of percentage of revenue comprised by the three largest customers | The table below includes the percentage of net product sales comprised by the Company’s three largest wholesalers in each period presented:
| Year Ended December 31,
| 2018 |  | 2017 |  | 2016
Largest wholesaler | 34 | % |  | 35 | % |  | 32 | %
Second largest wholesaler | 30 | % |  | 30 | % |  | 28 | %
Third largest wholesaler | 26 | % |  | 26 | % |  | 26 | %
Total | 90 | % |  | 91 | % |  | 86 | %
Schedule of useful lives by asset category | Useful lives by asset category are as follows:
Asset Category |  | Useful Life
Computer equipment and software |  | 1 to 3 years
Office furniture and equipment |  | 5 years
Manufacturing and laboratory equipment |  | 5 to 10 years

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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